<template>
  <div class="login_container">
      <div class="login_box">
        <div class="avater_box">
          <img src="../assets/logo.png" alt="">
        </div>
        <!-- 登陆表单区 -->
        <el-form  ref="loginFromRef" label-width="0px" class="login_from" :model="loginFrom" :rules="loginFromRules">
          <!-- 用户名 -->
          <el-form-item prop="username">
            <el-input  v-model="loginFrom.username" prefix-icon="iconfont icon-user"></el-input>
          </el-form-item>
          <!-- 密码 -->
          <el-form-item prop="passwrod">
            <el-input v-model="loginFrom.passwrod" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
          </el-form-item>
          <!-- 按钮 -->
          <el-form-item class="btns">
            <el-button type="primary" @click="login">登陆</el-button>
            <el-button type="info" @click="resetLoginFrom">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      // 这是登陆表单的数据对象
      loginFrom: {
        username: 'admin',
        passwrod: '123456'
      },
      // 这是表单的验证轨辙
      loginFromRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输登陆名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 验证密码是否合法
        passwrod: [
          { required: true, message: '请输登陆密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 点击按钮重置表单
    resetLoginFrom () {
      this.$refs.loginFromRef.resetFields()
    },
    // 表单的预验证
    login () {
      this.$refs.loginFromRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginFrom)
        console.log(res)
        // if (res.meta.status !== 200) return this.$message.error('登陆失败！')
        // this.$message.success('登陆成功')
        // window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  .avater_box {
    height: 130px;
    width: 130px;
    border: 1px solid#acacac;
    border-radius: 50%;
    padding: 5px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img{
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #9c9793;
    }
  }
}
.btns{
  display: flex;
  justify-content: flex-end;
}
.login_from{
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>
